EP 1087022 A1 20010328 - A direct smelting process
Title (en)
A direct smelting process
Title (de)
Direktes Schmelzverfahren
Title (fr)
Procédé de fusion directe
Publication
Application
Priority
AU PQ308799 A 19990927
Abstract (en)
A direct smelting process and a fixed, ie non-rotatable, metallurgical vessel for producing metal from a metalliferous feed material is disclosed. The process is a molten bath-based process which includes injecting solid feed materials with a carrier gas into the molten bath via one or more downwardly extending lance/tuyere (11) and causing gas flow from the molten bath at a flow rate of at least 0.30 Nm<3>/s/m<2> at the interface between the metal layer (15) and the slag layer (16) of the molten bath (under quiescent conditions).
IPC 1-7
IPC 8 full level
C22B 5/10 (2006.01); C21B 11/00 (2006.01); C21B 11/08 (2006.01); C21B 13/00 (2006.01); C21B 13/10 (2006.01); C21C 5/00 (2006.01); C21C 5/56 (2006.01); C22B 7/02 (2006.01)
CPC (source: EP KR US)
C21B 11/00 (2013.01 - KR); C21B 13/0006 (2013.01 - EP US); C21B 13/0026 (2013.01 - EP US); C21C 5/56 (2013.01 - EP US); C22B 7/02 (2013.01 - EP US); Y02P 10/134 (2015.11 - EP US); Y02P 10/20 (2015.11 - EP US)
Citation (search report)
- [XA] WO 9827232 A1 19980625 - TECH RESOURCES PTY LTD [AU], et al
- [A] US 5498277 A 19960312 - FLOYD JOHN M [AU], et al
- [A] US 5811057 A 19980922 - HUBBLE DAVID H [US], et al
- [A] WO 9735038 A1 19970925 - STEEL TECH CORP [US]
- [A] GB 1474357 A 19770525 - ARBED
- [XP] WO 0001855 A1 20000113 - TECH RESOURCES PTY LTD [AU], et al
- [A] US 5611838 A 19970318 - FRITZ ERNST [AT], et al
- [A] GB 1243443 A 19710818 - JOHNSON OLOV [SE]
- [A] PATENT ABSTRACTS OF JAPAN vol. 012, no. 172 (C - 497) 21 May 1988 (1988-05-21)
Designated contracting state (EPC)
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
DOCDB simple family (publication)
EP 1087022 A1 20010328; EP 1087022 B1 20051207; AT E312205 T1 20051215; AU PQ308799 A0 19991021; BR 0004478 A 20010410; CA 2320654 A1 20010327; CA 2320654 C 20100511; CN 1217014 C 20050831; CN 1308137 A 20010815; DE 60024550 D1 20060112; DE 60024550 T2 20060629; ES 2251922 T3 20060516; ID 27326 A 20010329; JP 2001158906 A 20010612; JP 4790109 B2 20111012; KR 20010030513 A 20010416; MY 127453 A 20061229; NZ 507157 A 20011130; TW 533242 B 20030521; US 6428603 B1 20020806
DOCDB simple family (application)
EP 00120937 A 20000926; AT 00120937 T 20000926; AU PQ308799 A 19990927; BR 0004478 A 20000927; CA 2320654 A 20000926; CN 00133862 A 20000927; DE 60024550 T 20000926; ES 00120937 T 20000926; ID 20000833 D 20000927; JP 2000333858 A 20000926; KR 20000056751 A 20000927; MY PI20004483 A 20000926; NZ 50715700 A 20000926; TW 89119850 A 20001101; US 66939700 A 20000926